Re: [PATCH v2 1/10] KVM: MMU: fix writable sync sp mapping

From: Xiao Guangrong
Date: Mon Jun 28 2010 - 21:23:18 EST

Avi Kivity wrote:

> I think I see. So, after A, the pages are write protected, but are
> still marked as unsync. In B, we're testing SP2->unsync, which we plan
> to sync soon, but haven't yet. So the test for s->unsync is incorrect.


> So the patch is right. Thanks for the explanation. Please update the
> changelog to note that sp->unsync is not reliable during resync, this is
> tricky stuff.

OK, will do it in the next version.
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